Door closer and check.



P. J. BAYER & A. J. ROSENTRETER.

DOOR CLOSER AND CHECK. APPLICATION FILED JULY 1, 191a.

Patented Oct. 13, 1914.

2 SHEETSSHEET 1.

THE NORRIS PETERS C0.. PHOTO LITHO,, WASHINGTON. D. c.

F. J. BAYER & A. J. ROSENTRETER. I

DOOR CLOSER AND CHECK.

APPLICATION FILED JULY 1, 1913.

1,113,184, Patented 001;. 13, 1914.

2 SHEETSSHEET 2 namw/y- V Md am I UNITED STATES PATENT OFFICE- FRANCIS J. EAYEE, OF NEW YORK, N. Y., AND ALBERT :r. ROSENTRETER, OE EooNroN,

NEW JERSEY, ASSIGNORS, BY MESNE ASSIGNMENTS, 'ro BAYER-GARDNER-HIMES COMPANY, A CORPORATION OF NE JERSEY. i

DOOR CLOsEE AN CHECK.

To all whom it may concern Be it known that we, FRANCIS J BA ER, a citizen ofthe United States, residing in the city of New York, borough of Brooklyn, in

t1on,partly lnelevation, showing the-sup:

the county of Kings and State of NewYork, and ALBERT J. RosEN'rEETEE, a citizen of the United States, residing at Boonton, in the county of Morris and State of New Jersey,

have invented a certain new and useful Improvement inDoor Closers and Checks, of which the following is a specification.

The invention relates to spring actuated door-closers and checks in which the closing movement is controlled by a liquid.

The object of the invention is to provide mechanism of simple and economical con- :on the under face matching to the annular,

struction, adapted to serve with either right or left-hand doors with but little change and without substitution of parts, and capable of easy application under all conditions.

Other important objects are, to provide adjustable means for holding the door in the open or partially open position when desired; means for easily and quickly replacing the actuating spring for reliably supporting the holding pawl, and for lessening the danger of leakage of checking liquid.

The invention consists in certain novel features and details of construction and ar rangement by which the above objects are attained, to be hereinafter described. and pointed out in the claims. j The accompanying drawings form a part of this specification and show the invention as it has been carried out-in-practice.

Figure l is a plan view of the device applied on a door. vThe dotted lines show the positions assumed by the parts when the door isv partly open. Fig. 2 is a corresponding front elevation. Fig. 3 is a side elevation. Fig. 4 is a vertical section through the checking mechanism, with certain portions omitted. Fig. 15 is a side elevation of the checking mechanism and its supporting plate. Fig. 6isa corresponding plan or top view. Fig. 7 is a similar view from below. Fig. 8 is a vertical section. partly in elevation, showing the closing spring and its inclosing tube. Fig. 9 is a plan view of a latch forming part of the holdback means for holding the door open. Fig. 10 is a corresponding view from below. Fig. 11 is a side elevation of the same. Fig. 12 is a vertical section taken on the line12-l2 in Specification of Letters Patent. Application filed July 1, 1913. Serial No. 776,761.

in thesame direction as the crank.

C 'formin a continuation of the tubular.

Patented Oct. 13, 1914..

Fig. 9, and partly inielevation. Fig. 18 is a plan .v1ew showing the under face of the 1 operating arm. Fig. 14 is a side view of the link or turnbuckle. Fig. 15is a vertical sec 2' .1

port for the pawl, on a larger scale. Fig.

1 16 is a: similar view Showing thelmanner of' attaching the receptacle for checking liquid.

Similar; letters] of reference indicate the f same parts in allthe figures.

A is the upper part of a door, and B' the lmtel, and B a hinge. r

C 1s a plate of circular form having a defirmly secured tothe door by screws C and having a smoothly finished; circular recess lip or edge L of a cup or container L, serving as a receptacle for the checking liquid and inclosing the checking mechanism carried on the under. face of the plate. C.

At a shortdistance in rear. of-the'center, of the plate is a vertical tubular boss C receiving a shaft D carrying a crank D at its lower end and an operating arm D at 1ts upper end, extending parallel with and A boss boss C ,.on the under face of the plate C is connected by the strengthening webs C C to lugs C C cast with the plate and serving ,to support the checking cylinder E mounted with its axial line at a right angle to the door and held by screws E extending through the wings E on the cylinder into the lugs C C On the upper face of the cylinder is a rib; or thick fin E abutting against a boss C serving as an abutment for. the cylinder in resisting the outward thrust to which it is subjected in the closing movement of the door.

The piston F within the cylinder, is connected to. the crank D by a pitman F and is provided with the usual valved pas- "sagef through which the checkingliquid in the cup. L flows freely into the spa'ce'behind the piston in the opening movement of the door, and when thus imprisoned escapes slowly through the small opening 6 and passage c in the closed outerend of the cylinder during the, closing movement, the flowbeing adjusted or controlled by a screwvalve M extending from the upper face of pending flange or bracket C adapted to be extending above the plate as shown, and Y the plate C through a stuflingbox formed in the abutment or boss, C above described.

Thearm D 'is shaped to match to the upper end of the shaft D in one position only, that is, parallel with and extending in the same direction'as the crank D and parallel with the axial line of the piston E and cylinde v Cwhen the arm stands at a right angle to the door or face of the bracket C so that a inoveinentof the arm in swinging in either direction from such centrakposition produces the same moveinent of the piston relatively to itscylinder, thus permitting service with both right and left-hand. doors without change of these parts:

At the outer end of the arm is a vertical 'pin1D firmly'inounted therein and having an upper portion D serving as a pivot for the shackleGd-in "which the outer end of the screw-threaded rod G is pivoted,--with' the inner end screwed into-a socket 'G which with the rod forms alinkor turnbuckle. Thesocket isotfs'etat the innerend as at Gflsee Fig; 14,"and carries a pivotally connected housing-or bracket G adapted'to be secured by screws G to-the casing or lintel B above the door. This ofl'set,' with the shackle G ,=per mits;the attachment to be made at a high or low-level on the lintel as conditions of installation may require.

H is asleeVe loosely inclosingthe boss C having a vertical stud H- and oppositely inclined ratchet teeth H at each side of the 'SllllCli' To the latter is attached one end of'a chain J? extending axially of the spring casing'ortubeJ which is joined at the outer end to the arm D The other end'of the chain is attached to a plunger orfollower J F inclosed in the tube, serving as .a inovable abutment; for a strong helical spring J 5 encircling'the chain'and abutting at-the opposite end against the inwardly curled edge of the openend of the tube J and forming a flange-J The's leeve H- is held against rotation bya two-armed paw-l pivotally In'ountedon the center line of the plate C, engagedwith WVhen thus held the swing-ofthe-arnLD in the act-of-openingthe doorwindsa portionof the chainabout the boss- C and compresses the spring "J which by reexpansion effects the closing one of the teeth H movement. A- plurality of teeth H permits the force exertedby the springto be varied;

and the two series of tee th-'-per1nit' the sleeve to be; engagedby either arm of the pawl as requ red for either right or left-handi doorswithout removing any of the parts-.-

At'the outerendythe tube J is closed-by a plug or headd haviiigan extension which is screwed on the screwthreaded-lower end D of the pin D This inodeofattachment,

perinit's the required slight pivotal niovement of the. tube on the pin -in-operation an'd .a nut D also allows the tube to be swung beneath the arm in arrang ng for service with right or leIt-hand doors, and offers the addltional important, advantage of easy removal bysimply unscrewing the tube and its contents when by reason of a broken spring or other accident it becomes necessary to substitute a new tube, spring ,and chain, which parts are furnished as a whole ready to be screwed upon the-pin D The inner end of the arm D is enlarged and widened to form a plate or diskD perforated to match to and receive the upper end of theshaft D to which it is secured by Slots (Z (Z concentric to the shaft are provided in the disk, adaptedto receive a screw K- by which a holdbaekor latch device is attached tothe under faceof the disk. The hold-back consists of a hollow casing K containing a spring K exerting a thrust on a latch-bolt K having its engaging end projecting toward the shaft and beveled in both directions laterally. From v the casing K eXtends-afiat bifurcated arm K? having holes drilled and tapped to receive the screw K andequipped with-a seriesofseg nentally arranged ridges o r-teeth adapted to engage correspondingserrations provided in two series,- oneon eachmargin of the 1 under iace of :the disk; and thus permitthe radial position of thelatchto be Varied. The bifurcation of the arm -K =embraces a boss B 'on the ;unde'r-face of the dlsk and alds in locating and maintaining the 'latch'in the desired'position. The beveled nose of the bolt" is arrangedjto'ride overand engage a vertical post R mounted on the plate- C, and thus hold the door open againstthe force of the spring; J tending to close it. The'door is released by forci bly swinging it suifi'cientlyto di'sengagethe nose of the bolt from the post the door will then continue lts closing movement under the force-of thespri-ng J The curved slots d d in the disk and screw holes 7; 71in the-arm permit'a-widerange" of-adjustinent as to the angle at whichzthe door be held inthe open orpartially open position.

The'post R has aslotted base-vorfootRti constructed to matchnpon'either of the long bosses C -G provided upon the upper, face of the plate 0' and be firmly engagedjthere with by the screw R Idchanging from a right to a, left hand *door the post. .R is re-- moved, fromone'bossC? "to the otheryand the latch casin'g K correspondingly shifted to the oppositeside of-the disk;

To afford a str0ng;suppo1.t for; the pawl- H in resisting :the: strains to which: it is.

subjected, it is mounted on alcyli'ndrical;

boss, C -"termed "on :the plate Cgjinatehing to a corresponding circular openingdn thepawl, and-the latter is held thereon by a screw" H passing through ma tose-aha compressed therein by the screw to insure pawl and by the construction and arrange against leakage of checking fluid, and the opening through'the boss to the interior of the cup L is utilized as a filling orifice for such liquid, with the screw H servingas a closure. The holding screws N by whichthe cup is secured to the under face of the plate are provided with similar packing rings or gaskets N to prevent leakage.

S is a washer applied upon the boss C held in position bythe disk-portion D? of the arm D serving as a removable annular flange abovethe stud H to prevent vertical movement of the latter and its sleeve" II,

while permitting" the *sleeve to be applied and removed, and to rotate on the boss in changing its position or adjusting the tension of the closing spring.

By extending the arm and crank in the same direction and parallel with each other,

and mounting the cylinder at a right angle to the door, easy installation is attained,

aided by the arrangement of sleeve and ment of the spring-tube and turnbuckle, and their attaching means.

The device as shown in Figs. 1 and 2 is arranged for easy closing conditions, with the turnbuckle or link at a right angle to the door and the operating arm at a slight inclination to the door when the latter is in the closed position. In applying the device for hard closing conditions, as in overcoming the resistance offered by drafts, or by a stiff latch, the device is set with the arm at a right angle to the door and the turnbuckle slightly inclined.

We claim 1. In a door-closer, a plate adapted to be attached to a door, a shaft mounted vertically in said plate, an arm on the upper end of said shaft, a screw-threaded pin in the outer end of said arm, a link pivotally secured to said arm and adapted to be attached to the door-casing, a stud held on said plate, a tube detachably and pivotally secured to said arm by being screwed upon said pin and adapted to swing thereon beneath said arm, a follower in said tube, flexible connections from said follower to said stud, and a spring in said tube arranged to be compressed by said follower.

2. In a door-closer and check, a plate adapted to be attached to a door, a shaft mounted vertically in said plate, an arm on the upper end of said shaft, a screw-threaded pin in the outer end of said arm, a link pivotally secured to said arm and" adapted to be attached to the door-casing, a stud held on said plate, a tube detachably and pivotally secured to said arm by being screwed upon said pin and adapted to swing thereon beneath said arm, a follower in said tube, flexible connections from said follower to said stud, a spring in said tube arranged to be compressed by said follower, a crank on' the lower end of said shaft, a checking cylinder and piston, a pitman connecting said'cr'ank and piston, and a receptac'lefor checking liquid inclosing said crank and cylinder. i

8. In a door-closer, a plate adapted to be attached to a door and having a vertical boss thereon, a shaftmounted in said boss, an arm on the upper end of said shaft, a

sleeve rotatable on' said boss and having teeth thereon, a stud on saidsleeve, means on said boss for holding said sleeve against vertical movement, a pawl on said plate adapted to engage said teeth, a pin in the outer end of said arm, a link pivotally secured to said arm and adapted to be attached to a door-casing, a tube secured to said pin and adapted to swing thereon beneath said arm, a follower in said tube, flexible connectlons from said follower to said stud, and a spring'in said tube arranged to be compressed by said follower.

4. In a door-closer, a plate adapted to be attached to a door, a shaft mounted therein, an armon said shaft and connections therefrom to the door-casing, a sleeveinclosing said shaft and having teeth thereon, a pawl arranged to engage said teeth, a closing spring and connections therefrom to said sleeve and a washer on said shaft above said sleeve arranged to hold said sleeve against vertical movement.

5. In a door-closer, a plate adapted to be attached to a door, a shaft mounted therein, an arm on said shaft and connections therefromto the door-casing,a sleeve inclosing said shaft and having teeth thereon, a pawl arranged, to engage said teeth, a closing spring and connections therefrom to said sleeve, a cylindrical boss on said plate arranged to serve as a pivot for said pawl, and having an opening therein through said plate, a screw received in such opening and serving as a retaining means for saidpawl, and a receptacle for checking liquid secured to said plate beneath the latter, said opening arranged to serve as a filling orifice for said receptacle.

6. In a door-closer, a plate adapted to be attached to a door, a shaftin said plate, an arm on said shaft, a post, and a yielding latch movable with said arm and arranged to engage said post and hold said door in an open position, and bifurcated means on the latch-carrier constructed to locate and maintain the latch in desired position.

7. In a door-closer, a plate adapted to be attached to a door, a shaft in said plate, an arm on said shaft, a post mounted on said plate, a yielding latch carried by said arm and arranged to engage said post and hold attached to a door, a shaft in said plate, an

arm on said shaft having slots adjacent'to sald shaft, a caslng carrledby sald arm and held bya screw: extending through 1 such slot,

a spring-actuated bolt in said casing, and a post mounted on said plateiin the path of said bolt and adapted to beengaged thereby. 9. In a door closer, a plate adapted to be attached to a door, a shaft in said plate, an arm on said shaft havinga slotlon-each side of the latter, serrations on said arm adjacent to said slots, a casing carri'edby said arm and constructed to match to said serrations, a screw-passing through. one of said slots and holdingsaid casing iniengagement With said arm, aboss on said plate on each side of said shaft, a post, a foot. thereon having an, opening matching. to. either of said bosses, and a spring-bolt carried by said casing and arranged to engagesaid post.

10. In a,d0or-closer, a plate, adapted to be. attached to .a door, ashaft mounted therein,

anarm on said shaft, a .pin in;-said -arm,a rod. pivotally connected at oneeend: to said pin, a socket receiving said rodjand revoluble and adjustable on the latter, an offsetarm onsaid socket, and a bracket ll'lyWhlCh 'said offset-arm is pivoted, said bracket 'a-dapted to be attached to door-casing.

11. In a door-closer, atplate adapted; tobe attachedto a door, a shaft mounted therein, and-an arm on said shaft, apin in said arm,

ai -shackle pivotally mounted on saidpin a screw-threaded rod pivotally connected-at one end to said shackle, a screw-threaded socket recelvlng said rod, an offset-arm,on 40 sald socket, a bracket in Which sa d offsetarm-iis pivoted, said bracket adapted tobe attached-:to the door-casing.- I

, In I testimony that we claimthe invention above set forth We affix our signatures,- in,

presence of tWo Witnesses.

FRANCIS J. BAYER, ALBERT J; ROSENTRETER.

, WVitnesses:

CHARLES RLSEARLE,

L-ILLIAN H. WVILSHUSEN,

(topiellot :this=.patent may be obtained tore-five centsteach, bj-laddre ssing the Commissioner of Patents, Washington, D. G. 

